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Performance

· 27 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
88
GRADE
B
FIX
2
REVIEW
7
PASS
14
INFO
4

Performance-focused optimization plan with CWV assessment, top offenders, and time estimates

Mobile Desktop
69
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
92
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
81
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
100
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

2.83 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

5.57 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

172 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.000

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

5.19 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

6.04 s

Page Load Progression

588 ms
1.2 s
1.8 s
2.4 s
2.9 s
3.5 s
4.1 s
4.7 s
Checks
27
14 PASS 7 REVIEW 2 FIX
D
JS Execution Cost
Action
3384ms total JS execution
FIX
3384ms total JS execution
Warning::
https://wireboard.io/build/lottie.Bomu7yKh.js: 1925ms CPU time
Warning::
https://wireboard.io/en: 702ms CPU time
Warning::
Unattributable: 392ms CPU time
Warning::
https://wireboard.io/build/alpine.CkG7Am8i.js: 265ms CPU time
Info::
https://static.wireboard.io/wireboard.js: 101ms CPU time
Info::
Third-party scripts: 493ms (15% of total)

Main Thread Breakdown

Script Evaluation 39% Other 28% Style & Layout 17% Rendering 12%
ScriptTotalScriptingParse/CompileParty
https://wireboard.io/build/lottie.Bomu7yKh.js1925ms1039ms0ms1st
https://wireboard.io/en702ms43ms5ms1st
Unattributable392ms81ms0ms3rd
https://wireboard.io/build/alpine.CkG7Am8i.js265ms122ms0ms1st
https://static.wireboard.io/wireboard.js101ms22ms6ms3rd
F
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
No Cache-Control header found
Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.

No Cache-Control header

Adding a Cache-Control header can significantly improve repeat-visit performance.

B
Image Optimization
11 images, 0 KB saveable
REVIEW
11 images, 0 KB saveable
Info::
All images are well-optimized
11 images 31 KB
0 oversized -0 KB
6 legacy format
0 missing dimensions CLS risk
B
JS Bundles
22 scripts, 116 KB unused
REVIEW
22 scripts, 116 KB unused
Warning::
https://wireboard.io/build/lottie.Bomu7yKh.js: 47 KB unused (60%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://wireboard.io/build/client.DBwrmuLp.js: 36 KB unused (86%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://wireboard.io/build/vendor-moment.DKZ5tk-e....: 33 KB unused (87%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 116 KB
116 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://wireboard.io/build/lottie.Bomu7yKh.js77 KB47 KB (60%)✓1st
https://wireboard.io/build/client.DBwrmuLp.js43 KB36 KB (86%)✓1st
https://wireboard.io/build/vendor-moment.DKZ5tk-e.js39 KB33 KB (87%)✓1st
https://wireboard.io/build/landing-funnel.Cz-WXSCu.js1 KB—✓1st
https://wireboard.io/build/index.FZ75BGvz.js1 KB—✓1st
https://wireboard.io/build/newsletter.CBy9UZE4.js1 KB—✓1st
https://wireboard.io/build/notifications.CMKqx4p2.js1 KB—✓1st
https://wireboard.io/build/alpine.CkG7Am8i.js17 KB—✓1st
https://wireboard.io/build/landing.D6oqJAC8.js3 KB—✓1st
https://wireboard.io/build/i18n.DoqC1k5I.js30 KB—✓1st

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

Consider code splitting or tree shaking to reduce unused code.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

B
HTTP/3 (QUIC)
HTTP/3 not advertised
REVIEW
HTTP/3 not advertised
Info::
HTTP/3 (QUIC) is not advertised
HTTP/3 isn't advertised via Alt-Svc and the worker didn't negotiate h3. HTTP/3 reduces handshake latency (1-RTT instead of 2-3 RTTs) and is more resilient on lossy connections. Most modern CDNs (Cloudflare, Fastly, AWS CloudFront, Google Cloud CDN) support HTTP/3 with a single config switch -- consider enabling for mobile-heavy workloads.
C
Compression Algorithm
Action
Main response served uncompressed
REVIEW
Main response served uncompressed
Info::
Main HTML response has no Content-Encoding (uncompressed)
The main HTML document is served without compression. The Text Compression section above lists the broader picture; for the main response specifically, even gzip would shave ~70-80% off most text payloads.
B
Main HTML Cache-Control
No Cache-Control header on main HTML response
REVIEW
No Cache-Control header on main HTML response
Info::
Main HTML response has no Cache-Control header
Without an explicit Cache-Control, browsers fall back to heuristic caching (~10% of Last-Modified age). Set `Cache-Control: no-cache` or `max-age=300` for HTML to control freshness explicitly -- prevents stale auth state and SPA shell drift.
B
Server-Timing Observability
No Server-Timing header found
REVIEW
No Server-Timing header found
Info::
No Server-Timing header found
Server-Timing exposes backend timing breakdowns to browser DevTools (e.g., `db: 45ms; render: 120ms; cache: 2ms`). Useful for diagnosing slow pages without backend log access. Most modern frameworks (Next.js, Cloudflare Workers, Fastly) emit it automatically; absence on a managed platform usually means telemetry headers are stripped at the edge.
B
CSS Performance Depth
2 CSS depth issue(s) detected
REVIEW
2 CSS depth issue(s) detected
Warning::
8 render-blocking stylesheet(s) -- recommended: <=3
Each `<link rel="stylesheet">` without a non-blocking `media` attribute holds up the first paint. Browsers download all of them before painting any content. Consolidate into 1-2 critical-path stylesheets; defer non-critical CSS via `<link rel="stylesheet" media="print" onload="this.media='all'">` or via the loadCSS pattern; inline above-the-fold CSS in `<style>` to short-circuit the request entirely.
Warning::
1 `@font-face` rule(s) without `font-display` -- causes FOIT
An `@font-face` rule without `font-display` causes Flash of Invisible Text (FOIT): the browser hides the styled text for up to 3 seconds while the custom font downloads, then either swaps to fallback (Chrome / Firefox) or stays invisible (older Safari). Add `font-display: swap` (shows fallback immediately, swaps in the custom font when ready) or `font-display: optional` (uses fallback if the font isn't ready in 100ms; never causes visible swap). Either eliminates FOIT outright.
A
Page Weight Budget
719 KB transferred, 65 requests
PASS
719 KB transferred, 65 requests
Info::
Page weighs 2.4 MB (719 KB transferred)
Info::
65 HTTP requests
Info::
Estimated 0.15 g CO2 per page load
719 KB / 2.4 MB budget
719 KB transferred
65 requests
0.15 g CO2 per page load
JavaScript 317.7 KiB 44%
Fonts 159.5 KiB 22%
CSS 101.1 KiB 14%
HTML 32.7 KiB 5%
Other 32.2 KiB 4%
Images 30.7 KiB 4%
Other 28.5 KiB 4%
Other 16.3 KiB 2%
Other 524 B 0%
0 2.4 MB 4.9 MB
Under budget
A+
Third-Party Impact
4% third-party, 0 ms blocking
PASS
4% third-party, 0 ms blocking
Info::
Third-party code accounts for 4% of page weight (31.0 KiB of 719.2 KiB)
Info::
Third-party blocking time is low (0 ms)
96%
First-party Third-party
A+
Text Compression
All text resources are compressed
PASS
All text resources are compressed
Info::
All text resources are compressed
All text resources are properly compressed.
A+
Font Loading
9 fonts (160 KB)
PASS
9 fonts (160 KB)
Info::
9 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

9

160 KB total

Render-blocking

0

of 9

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s FCP 2.8 s LCP 5.6 shttps://wireboard.io/vendor/fontawesome/subset/webfonts/fa-solid-900.woff2fa-solid-900.woff2 https://wireboard.io/vendor/fontawesome/subset/webfonts/fa-solid-900.woff2 — 19.0 KiB — 47 ms — font-display: swaphttps://wireboard.io/vendor/fontawesome/subset/webfonts/fa-regular-400.woff2fa-regular-400.woff2 https://wireboard.io/vendor/fontawesome/subset/webfonts/fa-regular-400.woff2 — 2.7 KiB — 46 ms — font-display: swaphttps://wireboard.io/vendor/fontawesome/subset/webfonts/fa-brands-400.woff2fa-brands-400.woff2 https://wireboard.io/vendor/fontawesome/subset/webfonts/fa-brands-400.woff2 — 4.3 KiB — 49 ms — font-display: swaphttps://wireboard.io/vendor/fonts/inter/inter-latin-400-normal.woff2inter-latin-400-normal.... https://wireboard.io/vendor/fonts/inter/inter-latin-400-normal.woff2 — 21.4 KiB — 208 ms — font-display: swaphttps://wireboard.io/vendor/fonts/inter/inter-latin-500-normal.woff2inter-latin-500-normal.... https://wireboard.io/vendor/fonts/inter/inter-latin-500-normal.woff2 — 22.5 KiB — 73 ms — font-display: swaphttps://wireboard.io/vendor/fonts/inter/inter-latin-600-normal.woff2inter-latin-600-normal.... https://wireboard.io/vendor/fonts/inter/inter-latin-600-normal.woff2 — 22.6 KiB — 75 ms — font-display: swaphttps://wireboard.io/vendor/fonts/inter/inter-latin-700-normal.woff2inter-latin-700-normal.... https://wireboard.io/vendor/fonts/inter/inter-latin-700-normal.woff2 — 22.7 KiB — 75 ms — font-display: swaphttps://wireboard.io/vendor/fonts/inter/inter-latin-800-normal.woff2inter-latin-800-normal.... https://wireboard.io/vendor/fonts/inter/inter-latin-800-normal.woff2 — 24.1 KiB — 91 ms — font-display: swaphttps://wireboard.io/build/assets/399766_2_0.CQAg3aSc.woff2399766_2_0.CQAg3aSc.woff2 https://wireboard.io/build/assets/399766_2_0.CQAg3aSc.woff2 — 20.2 KiB — 32 ms — font-display: swap
fa-solid-900.woff2 woff2 swap
Size 19 KB
Load time 47 ms
Start 208 ms
Risk FOUT — text flashes from fallback to web font
fa-regular-400.woff2 woff2 swap
Size 3 KB
Load time 46 ms
Start 208 ms
Risk FOUT — text flashes from fallback to web font
fa-brands-400.woff2 woff2 swap
Size 4 KB
Load time 49 ms
Start 209 ms
Risk FOUT — text flashes from fallback to web font
inter-latin-400-normal.... woff2 swap
Size 21 KB
Load time 208 ms
Start 210 ms
Risk FOUT — text flashes from fallback to web font
inter-latin-500-normal.... woff2 swap
Size 23 KB
Load time 73 ms
Start 210 ms
Risk FOUT — text flashes from fallback to web font
inter-latin-600-normal.... woff2 swap
Size 23 KB
Load time 75 ms
Start 210 ms
Risk FOUT — text flashes from fallback to web font
inter-latin-700-normal.... woff2 swap
Size 23 KB
Load time 75 ms
Start 211 ms
Risk FOUT — text flashes from fallback to web font
inter-latin-800-normal.... woff2 swap
Size 24 KB
Load time 91 ms
Start 211 ms
Risk FOUT — text flashes from fallback to web font
399766_2_0.CQAg3aSc.woff2 woff2 swap
Size 20 KB
Load time 32 ms
Start 798 ms
Risk FOUT — text flashes from fallback to web font
Optimization checklist
  • Preload critical fonts (priority=high)
  • Use woff2 format for all fonts
  • Set font-display to swap, optional, or fallback
  • Subset large fonts (≤100 KB each)
A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
No render-blocking resources detected
A
Resource Hints
15 hints, 0 missing preconnects
PASS
15 hints, 0 missing preconnects
Warning::
8 font preload(s) missing `crossorigin` -- font will be downloaded twice
Fonts are always fetched as crossorigin=anonymous; a preload without the attribute creates a different cache key, so the browser refetches when the actual font request happens. Sample: /vendor/fontawesome/subset/webfonts/fa-solid-900.woff2, /vendor/fontawesome/subset/webfonts/fa-regular-400.woff2, /vendor/fontawesome/subset/webfonts/fa-brands-400.woff2 (+5 more). Add `crossorigin` (or `crossorigin="anonymous"`) to each preload.
Info::
Page uses 15 resource hint(s)

Current Resource Hints

preconnect
1
preload
+4
14
dns-prefetch
—
prefetch
—

15 resource hints configured

Fonts are always fetched as crossorigin=anonymous; a preload without the attribute creates a different cache key, so the browser refetches when the actual font request happens. Sample: /vendor/fontawesome/subset/webfonts/fa-solid-900.woff2, /vendor/fontawesome/subset/webfonts/fa-regular-400.woff2, /vendor/fontawesome/subset/webfonts/fa-brands-400.woff2 (+5 more). Add `crossorigin` (or `crossorigin="anonymous"`) to each preload.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A+
LCP Image Preload
LCP preload audit not available
PASS
LCP preload audit not available
Info::
LCP image preload audit not available for this scan
A+
Server Response Intelligence
1 server-response signal(s) detected
PASS
1 server-response signal(s) detected
Info::
No `ETag` or `Last-Modified` -- conditional GET not supported
Without either header, browsers can't issue conditional GETs and refresh always re-downloads the full response body even when nothing changed. Add `ETag: "<hash>"` (or `Last-Modified: <date>`) on cacheable responses; the server returns 304 Not Modified when the client's cached copy is still valid, saving bandwidth.
A+
Page Weight Inventory
65 resources · 719 KB · 116 KB savings available
PASS
65 resources · 719 KB · 116 KB savings available
Info::
Within 1MB page-weight target
Got: 719 KB
Info::
~116 KB of savings available
Info::
7 third-party resources (4% of weight)
65 resources · 719.2 KiB · 7 third-party Within 1MB page-weight target
JavaScript 44% · 317.7 KiB
Font 22% · 159.5 KiB
CSS 14% · 101.1 KiB
Other 8% · 59.3 KiB
Image 6% · 46.0 KiB
Document 5% · 35.7 KiB

~116.4 KiB of savings available

Remove unused JavaScript: 116.4 KiB
A+
Render-Blocking Resources
No render-blocking resources detected
PASS
No render-blocking resources detected
Info::
No render-blocking resources detected in <head>
A+
Third-Party Resources
No third-party resources detected
PASS
No third-party resources detected
A+
JavaScript Blocking
No render-blocking JS or document.write usage detected
PASS
No render-blocking JS or document.write usage detected
Info::
No JavaScript blocking issues detected
A+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: Hetzner Online GmbH

Network Waterfall
65 requests over 2440ms
INFO
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s FCP 2.8 s LCP 5.6 shttps://wireboard.io// https://wireboard.io/ — 301 — 1.0 KiB — 124 ms — h2https://wireboard.io/en/en https://wireboard.io/en — 200 — 32.7 KiB — 100 ms — h2https://wireboard.io/vendor/fontawesome/subset/webfonts/fa-solid-900.woff2/vendor/fontawesome/subset/webfonts... https://wireboard.io/vendor/fontawesome/subset/webfonts/fa-solid-900.woff2 — 200 — 19.0 KiB — 47 ms — h2https://wireboard.io/vendor/fontawesome/subset/webfonts/fa-regular-400.woff2/vendor/fontawesome/subset/webfonts... https://wireboard.io/vendor/fontawesome/subset/webfonts/fa-regular-400.woff2 — 200 — 2.7 KiB — 46 ms — h2https://wireboard.io/vendor/fontawesome/subset/webfonts/fa-brands-400.woff2/vendor/fontawesome/subset/webfonts... https://wireboard.io/vendor/fontawesome/subset/webfonts/fa-brands-400.woff2 — 200 — 4.3 KiB — 49 ms — h2https://wireboard.io/vendor/fontawesome/subset/css/all.min.css/vendor/fontawesome/subset/css/all.... https://wireboard.io/vendor/fontawesome/subset/css/all.min.css — 200 — 4.7 KiB — 48 ms — h2https://wireboard.io/img/wireboard-thumbnail-light-768.avif/img/wireboard-thumbnail-light-768.... https://wireboard.io/img/wireboard-thumbnail-light-768.avif — 200 — 12.6 KiB — 68 ms — h2https://wireboard.io/vendor/fonts/inter/inter-latin-400-normal.woff2/vendor/fonts/inter/inter-latin-400... https://wireboard.io/vendor/fonts/inter/inter-latin-400-normal.woff2 — 200 — 21.4 KiB — 208 ms — h2https://wireboard.io/vendor/fonts/inter/inter-latin-500-normal.woff2/vendor/fonts/inter/inter-latin-500... https://wireboard.io/vendor/fonts/inter/inter-latin-500-normal.woff2 — 200 — 22.5 KiB — 73 ms — h2https://wireboard.io/vendor/fonts/inter/inter-latin-600-normal.woff2/vendor/fonts/inter/inter-latin-600... https://wireboard.io/vendor/fonts/inter/inter-latin-600-normal.woff2 — 200 — 22.6 KiB — 75 ms — h2https://wireboard.io/vendor/fonts/inter/inter-latin-700-normal.woff2/vendor/fonts/inter/inter-latin-700... https://wireboard.io/vendor/fonts/inter/inter-latin-700-normal.woff2 — 200 — 22.7 KiB — 75 ms — h2https://wireboard.io/vendor/fonts/inter/inter-latin-800-normal.woff2/vendor/fonts/inter/inter-latin-800... https://wireboard.io/vendor/fonts/inter/inter-latin-800-normal.woff2 — 200 — 24.1 KiB — 91 ms — h2https://wireboard.io/build/assets/bender-css.COH4VFJB.css/build/assets/bender-css.COH4VFJB.c... https://wireboard.io/build/assets/bender-css.COH4VFJB.css — 200 — 610 B — 37 ms — h2https://wireboard.io/build/assets/landing-css.DdM0EI4r.css/build/assets/landing-css.DdM0EI4r.... https://wireboard.io/build/assets/landing-css.DdM0EI4r.css — 200 — 901 B — 38 ms — h2https://wireboard.io/build/assets/price-css._rJd6c_D.css/build/assets/price-css._rJd6c_D.cs... https://wireboard.io/build/assets/price-css._rJd6c_D.css — 200 — 2.1 KiB — 38 ms — h2https://wireboard.io/build/cookie-consent.Chn-wNq3.js/build/cookie-consent.Chn-wNq3.js https://wireboard.io/build/cookie-consent.Chn-wNq3.js — 200 — 1.1 KiB — 91 ms — h2https://wireboard.io/build/assets/app-css.CD1626iv.css/build/assets/app-css.CD1626iv.css https://wireboard.io/build/assets/app-css.CD1626iv.css — 200 — 81.2 KiB — 205 ms — h2https://wireboard.io/build/assets/tippy.BHH8rdGj.css/build/assets/tippy.BHH8rdGj.css https://wireboard.io/build/assets/tippy.BHH8rdGj.css — 200 — 798 B — 39 ms — h2https://wireboard.io/build/assets/app.CyFDJ3rH.css/build/assets/app.CyFDJ3rH.css https://wireboard.io/build/assets/app.CyFDJ3rH.css — 200 — 5.3 KiB — 500 ms — h2https://wireboard.io/build/app.jyoL79pY.js/build/app.jyoL79pY.js https://wireboard.io/build/app.jyoL79pY.js — 200 — 1.1 KiB — 91 ms — h2https://wireboard.io/build/index.B8_nURbH.js/build/index.B8_nURbH.js https://wireboard.io/build/index.B8_nURbH.js — 200 — 16.4 KiB — 99 ms — h2https://wireboard.io/build/vendor-moment.DKZ5tk-e.js/build/vendor-moment.DKZ5tk-e.js https://wireboard.io/build/vendor-moment.DKZ5tk-e.js — 200 — 38.7 KiB — 300 ms — h2https://wireboard.io/build/tippy.CgYoMEWD.js/build/tippy.CgYoMEWD.js https://wireboard.io/build/tippy.CgYoMEWD.js — 200 — 13.1 KiB — 194 ms — h2https://wireboard.io/build/newsletter.CBy9UZE4.js/build/newsletter.CBy9UZE4.js https://wireboard.io/build/newsletter.CBy9UZE4.js — 200 — 1.1 KiB — 393 ms — h2https://wireboard.io/build/notifications.CMKqx4p2.js/build/notifications.CMKqx4p2.js https://wireboard.io/build/notifications.CMKqx4p2.js — 200 — 1.3 KiB — 394 ms — h2https://wireboard.io/build/alpine.CkG7Am8i.js/build/alpine.CkG7Am8i.js https://wireboard.io/build/alpine.CkG7Am8i.js — 200 — 16.9 KiB — 398 ms — h2https://wireboard.io/img/logo-blue-336.png/img/logo-blue-336.png https://wireboard.io/img/logo-blue-336.png — 200 — 5.0 KiB — 396 ms — h2https://wireboard.io/img/logo-336.png/img/logo-336.png https://wireboard.io/img/logo-336.png — 200 — 3.2 KiB — 397 ms — h2https://wireboard.io/build/landing.D6oqJAC8.js/build/landing.D6oqJAC8.js https://wireboard.io/build/landing.D6oqJAC8.js — 200 — 3.3 KiB — 181 ms — h2https://wireboard.io/build/i18n.DoqC1k5I.js/build/i18n.DoqC1k5I.js https://wireboard.io/build/i18n.DoqC1k5I.js — 200 — 30.4 KiB — 288 ms — h2
0 ms 1.0 s 2.0 s 3.0 s 4.0 s 5.0 s FCP 2.8 s LCP 5.6 shttps://wireboard.io// https://wireboard.io/ — 301 — 1.0 KiB — 124 ms — h2https://wireboard.io/en/en https://wireboard.io/en — 200 — 32.7 KiB — 100 ms — h2https://wireboard.io/vendor/fontawesome/subset/webfonts/fa-solid-900.woff2/vendor/fontawesome/subset/webfonts... https://wireboard.io/vendor/fontawesome/subset/webfonts/fa-solid-900.woff2 — 200 — 19.0 KiB — 47 ms — h2https://wireboard.io/vendor/fontawesome/subset/webfonts/fa-regular-400.woff2/vendor/fontawesome/subset/webfonts... https://wireboard.io/vendor/fontawesome/subset/webfonts/fa-regular-400.woff2 — 200 — 2.7 KiB — 46 ms — h2https://wireboard.io/vendor/fontawesome/subset/webfonts/fa-brands-400.woff2/vendor/fontawesome/subset/webfonts... https://wireboard.io/vendor/fontawesome/subset/webfonts/fa-brands-400.woff2 — 200 — 4.3 KiB — 49 ms — h2https://wireboard.io/vendor/fontawesome/subset/css/all.min.css/vendor/fontawesome/subset/css/all.... https://wireboard.io/vendor/fontawesome/subset/css/all.min.css — 200 — 4.7 KiB — 48 ms — h2https://wireboard.io/img/wireboard-thumbnail-light-768.avif/img/wireboard-thumbnail-light-768.... https://wireboard.io/img/wireboard-thumbnail-light-768.avif — 200 — 12.6 KiB — 68 ms — h2https://wireboard.io/vendor/fonts/inter/inter-latin-400-normal.woff2/vendor/fonts/inter/inter-latin-400... https://wireboard.io/vendor/fonts/inter/inter-latin-400-normal.woff2 — 200 — 21.4 KiB — 208 ms — h2https://wireboard.io/vendor/fonts/inter/inter-latin-500-normal.woff2/vendor/fonts/inter/inter-latin-500... https://wireboard.io/vendor/fonts/inter/inter-latin-500-normal.woff2 — 200 — 22.5 KiB — 73 ms — h2https://wireboard.io/vendor/fonts/inter/inter-latin-600-normal.woff2/vendor/fonts/inter/inter-latin-600... https://wireboard.io/vendor/fonts/inter/inter-latin-600-normal.woff2 — 200 — 22.6 KiB — 75 ms — h2https://wireboard.io/vendor/fonts/inter/inter-latin-700-normal.woff2/vendor/fonts/inter/inter-latin-700... 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HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
15% of JavaScript execution is third-party
First-party Third-party 493ms · 26KB · CHF8/mo
Unattributable
Other
Costly
Execution 392ms
Transfer 0 KB
Monthly Cost CHF6/mo
static.wireboard.io
Other
Optional
Execution 101ms
Transfer 26 KB
Monthly Cost CHF2/mo

These scripts may cost more than they're worth

  • Unattributable adds 392ms and costs ~CHF6/month

Unattributable takes 392ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

How third-party costs are calculated

Real-User Performance (CrUX)
Field metrics from the Chrome User Experience Report
INFO

Chrome User Experience (CrUX)

Real-user metrics from the Chrome UX Report (2026-04-11 — 2026-05-08)

LCP (p75)

1823 ms

88% good

INP (p75)

92 ms

92% good

CLS (p75)

0.040

83% good

FCP (p75)

1458 ms

TTFB (p75)

709 ms

This origin passes Core Web Vitals assessment
Image Optimization
16 images, 37 KB total, 0 KB wasted
INFO

Image Optimization Audit

Total Images

16

Total Size

37 KB

5 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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